Release 0.5.2 of codegen

There are other commits between 0.5.1 and this commit which are not
being released. Codegen is the only crate being bumped.

Author: sgrif

CHANGELOG.md

@@ -12,6 +12,10 @@ for Rust libraries in [RFC #1105](https://github.com/rust-lang/rfcs/blob/master/
   that automatically updates the `updated_at` column to the `current_timestamp`
   for each affected row in `UPDATE` statements.
 
+## [0.5.2] 2016-02-27
+
+* Updated to work on nightly from late February
+
 ## [0.5.1] 2016-02-11
 
 * Diesel CLI no longer has a hard dependency on SQLite and PostgreSQL. It

diesel_codegen/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "diesel_codegen"
-version = "0.5.0"
+version = "0.5.2"
 authors = ["Sean Griffin <sean@seantheprogrammer.com>"]
 license = "MIT OR Apache-2.0"
 build = "build.rs"